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产品名称： Metallic Music earbuds
parameters1：MODEL:M13
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Cheap Mobile Earbuds Heavy Bass Music Earphone Universal For Mobile Phone Ear Plugs Metallic Headset For Smart Phone
| Speaker parameter | |
| Characteristics | Specification |
| Impedance | 16±10%Ω |
| Diameter | Ø10mm |
| Sensitivity | 95±3dB(@1KHz 126mV) |
| Rated power | 3mW |
| Normal Input | 5mW |
| Phase | right |
| Frequency range | 50-5KHZ±3dB |
| Total Harmonic Distortion | 100-10KHZ≤5% |
| MIC parameter | |
| Characteristics | Specification |
| Orientation | All direction |
| Diameter | 4.0*1.5mm |
| Sensitivity | `-43dB±4dB @ 1kHz (0dB=1V/Pa) |
| Voltage | DC=2V RL=2.2KΩ |
| Current | 210-450uA |
| SNR | ≥60dB @1KHz |
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